US2922003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roadway switch for traffic counting systems
Assignee: Individual
•
Filing: 1958-06-13
•
Granted: 1960-01-19
•
Expires: 1978-06-13
Abstract
No abstract record available.
Inventors
- 👤 John P Roscoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:10
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/02; H01H3/14; H01H3/141; H01H3/142; G; G08; G08G; G08G1/00; G08G1/01; G08G1/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2006690A
Cited
DE948216C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |